EXPERIMENTS WITH MARQUIS WHEAT. 



11 



Preston (spring common), Kubanka (spring dunim), and Crimean 

 (winter) groups are shown in figures 4 and 5. 



Fig. 4. — Heads and kernels of three varieties of hard wheat, one-half natural size: 1, Preston (spring 

 common); 2, Kubanka (spring durum); 3, Kharkof (winter). 



Table III. — Annual and average yields of the Marquis and six other varieties of wheat 

 grown at the Iowa Agricultural Experiment Station, Ames, Iowa, during 1914 and 1915. 



[Data obtained in cooperation with the Iowa Agricultural Experiment Station.] 



Group and variety. 



Yield per acre (bushels). 



1914 1915 Average, 



Fife: 



Marquis 



Glyndon (Minn. No. 163) 

 Crimean (winter): 



Turkey (Iowa No. 404) . . 



Turkey 



Kharkof 



Preston: 



Early Java 



Bluestem: 



Haynes (Minn. No. 169) . 



12.0 

 12.0 



41.7 

 34.1 

 33.3 



12.7 



21.0 

 12.3 



40.7 

 39.2 

 38.8 



15.3 



13.0 



16.5 

 12.2 



41.2 

 36.7 

 36.1 



13.6 



12.9 



